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13430172052 = 22112341431751
BaseRepresentation
bin11001000001000000…
…00010100110010100
31021122222020102120201
430200200002212110
5210001111001202
610100355110244
7653545402363
oct144040024624
937588212521
1013430172052
115771a89050
1227298a2384
13136054868b
149159457da
155390c5387
hex320802994

13430172052 has 96 divisors (see below), whose sum is σ = 27506884608. Its totient is φ = 5676000000.

The previous prime is 13430172037. The next prime is 13430172053. The reversal of 13430172052 is 25027103431.

It is a self number, because there is not a number n which added to its sum of digits gives 13430172052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430172053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17882677 + ... + 17883427.

It is an arithmetic number, because the mean of its divisors is an integer number (286530048).

Almost surely, 213430172052 is an apocalyptic number.

It is an amenable number.

13430172052 is an abundant number, since it is smaller than the sum of its proper divisors (14076712556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13430172052 is a wasteful number, since it uses less digits than its factorization.

13430172052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1259 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 13430172052 its reverse (25027103431), we get a palindrome (38457275483).

The spelling of 13430172052 in words is "thirteen billion, four hundred thirty million, one hundred seventy-two thousand, fifty-two".

Divisors: 1 2 4 11 22 23 41 44 46 82 92 164 253 431 451 506 751 862 902 943 1012 1502 1724 1804 1886 3004 3772 4741 8261 9482 9913 10373 16522 17273 17671 18964 19826 20746 30791 33044 34546 35342 39652 41492 61582 69092 70684 109043 123164 190003 194381 218086 323681 338701 380006 388762 406433 436172 647362 677402 708193 760012 777524 812866 1294724 1354804 1416386 1625732 2832772 3560491 4470763 7120982 7444663 7790123 8941526 13270921 14241964 14889326 15580246 17883052 26541842 29778652 31160492 53083684 81891293 145980131 163782586 291960262 305231183 327565172 583920524 610462366 1220924732 3357543013 6715086026 13430172052